AMD Radeon R5 M315 vs AMD Radeon R9 M390 Full Specs
384 Shaders 970MHz | 1,024 Shaders 958MHz |
2GB DDR314.4GB/s | 2GB GDDR5174.7GB/s |
·· 745 GFLOPS | ·· 1.96 TFLOPS |
Form Factor Soldered | Form Factor Soldered |
TDP 15W | TDP 100W |
Radeon R5 M315745 GFLOPSFP32Radeon R9 M3901.96 TFLOPSFP32Clock Speed ·· | Clock Speed ·· |
Peak OPS 745 GFLOPSFP32 | Peak OPS 1.96 TFLOPSFP32 |
FP32 745 GFLOPS | FP32 1.96 TFLOPS |
FP64 46.56 GFLOPS | FP64 122.6 GFLOPS |
Pixel Rate 7.8 GPixel/s | Pixel Rate 30.7 GPixel/s |
Texture Rate 23.3 GTexel/s | Texture Rate 61.3 GTexel/s |
Shaders 384 Shaders | Shaders 1,024 Shaders |
TMUs 24 TMUs | TMUs 64 TMUs |
ROPs 8 ROPs | ROPs 32 ROPs |
CUs 6 CUs | CUs 16 CUs |
Boost Clock 970MHz | Boost Clock 958MHz |
L2 Cache 256KB shared | L2 Cache 512KB shared |
2GB DDR3 | 2GB GDDR5 |
Memory Bus 64-bit | Memory Bus 256-bit |
Memory Speed 1.8GT/s | Memory Speed 5.5GT/s |
Memory Bandwidth 14.4GB/s | Memory Bandwidth 174.7GB/s |
ECC No | ECC No |
TDP 15W | TDP 100W |
Multi-Monitor 3 | Multi-Monitor 3 |
HDCP HDCP 1.4 | HDCP - |
- | Encoder Model VCE 1.0 |
- | Decoder Model UVD 4.0 |
Form Factor Soldered | Form Factor Soldered |
Manufacturer | Manufacturer |
Chip Designer | Chip Designer |
Architecture | Architecture |
Family | Family |
Branding  | Branding |
Codename Topaz | Codename Pitcairn |
Chip Variant Weston Pro | Chip Variant Pitcairn Pro |
Market Segment Laptop | Market Segment Laptop |
Release Date May 5, 2015 | Release Date May 5, 2015 |
Foundry TSMC | Foundry TSMC |
Fabrication Node 28nm | Fabrication Node 28nm |
Die Size 125mm² | Die Size 212mm² |
Transistor Count 1.6 Billion | Transistor Count 2.8 Billion |
Transistor Density 12.4 MTr/mm² | Transistor Density 13.21 MTr/mm² |
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All-in-Ones - | All-in-Ones |